CVE-2021-39889

In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:N/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/338062	Broken Link
https://hackerone.com/reports/1294017	Permissions Required Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/338062	Broken Link
https://hackerone.com/reports/1294017	Permissions Required Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

History

21 Nov 2024, 06:20

Type	Values Removed	Values Added
References	~~() https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json - Vendor Advisory~~	() https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json - Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/issues/338062 - Broken Link~~	() https://gitlab.com/gitlab-org/gitlab/-/issues/338062 - Broken Link
References	~~() https://hackerone.com/reports/1294017 - Permissions Required, Third Party Advisory~~	() https://hackerone.com/reports/1294017 - Permissions Required, Third Party Advisory

Information

Published : 2021-10-05 14:15

Updated : 2024-11-21 06:20

NVD link : CVE-2021-39889

Mitre link : CVE-2021-39889

CVE.ORG link : CVE-2021-39889

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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